From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- xpcom/ds/nsStaticNameTable.h | 48 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 xpcom/ds/nsStaticNameTable.h (limited to 'xpcom/ds/nsStaticNameTable.h') diff --git a/xpcom/ds/nsStaticNameTable.h b/xpcom/ds/nsStaticNameTable.h new file mode 100644 index 0000000000..302d82c1e4 --- /dev/null +++ b/xpcom/ds/nsStaticNameTable.h @@ -0,0 +1,48 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Classes to manage lookup of static names in a table. */ + +#ifndef nsStaticNameTable_h___ +#define nsStaticNameTable_h___ + +#include "PLDHashTable.h" +#include "nsString.h" + +/* This class supports case insensitive lookup. + * + * It differs from atom tables: + * - It supports case insensitive lookup. + * - It has minimal footprint by not copying the string table. + * - It does no locking. + * - It returns zero based indexes and const nsCString& as required by its + * callers in the parser. + * - It is not an xpcom interface - meant for fast lookup in static tables. + * + * ***REQUIREMENTS*** + * - It *requires* that all entries in the table be lowercase only. + * - It *requires* that the table of strings be in memory that lives at least + * as long as this table object - typically a static string array. + */ + +class nsStaticCaseInsensitiveNameTable { + public: + enum { NOT_FOUND = -1 }; + + int32_t Lookup(const nsACString& aName) const; + int32_t Lookup(const nsAString& aName) const; + const nsCString& GetStringValue(int32_t aIndex); + + nsStaticCaseInsensitiveNameTable(const char* const aNames[], int32_t aLength); + ~nsStaticCaseInsensitiveNameTable(); + + private: + nsDependentCString* mNameArray; + PLDHashTable mNameTable; + nsDependentCString mNullStr; +}; + +#endif /* nsStaticNameTable_h___ */ -- cgit v1.2.3